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  <h1 class="topictitle1">Adding an Internal Communication Network Plane for the Active Node (Applicable to 1.5.0)</h1>
  <div>
   <p>If you want to use cluster HA, perform operations in this section to add an internal communication network plane for the active node for communication among nodes in the backup cluster.</p>
   <div class="section">
    <h4 class="sectiontitle">Prerequisites</h4>
    <ul>
     <li id="HA00016__li26601649133316">Before configuring cluster HA, ensure that Network Time Protocol (NTP) automatic synchronization has been configured for each node on DeviceManager. For details, see "Setting the Device Time" in the <em id="HA00016__i7875161710219">Administrator Guide</em>.</li>
     <li>At least two IP addresses have been reserved for the internal communication network plane of the active node.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Precautions</h4>
    <ul>
     <li>After the internal communication network plane of the active node is added, the system restarts and backup jobs may fail.</li>
     <li>After the internal communication network plane is added and member nodes are added, the internal communication network plane cannot be modified. Exercise caution when performing this operation.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li id="HA00016__li466583421410"><span>Choose <span class="menucascade" id="HA00016__menucascade31053579148"><b><span class="uicontrol" id="HA00016__uicontrol41059577142"><span id="HA00016__text1054020121612"><strong>System</strong></span></span></b> &gt; <b><span class="uicontrol" id="HA00016__uicontrol154661958121418"><span id="HA00016__text8757278167"><strong>Infrastructure</strong></span></span></b> &gt; <b><span class="uicontrol" id="HA00016__uicontrol54471544151"><span id="HA00016__text1631251418164"><strong>Cluster Management</strong></span></span></b></span>.</span></li>
     <li id="HA00016__li1378321711615"><span>Click <span class="uicontrol" id="HA00016__uicontrol1161813395168"><b><span id="HA00016__text353374216166"><strong>Backup Cluster</strong></span></b></span>.</span></li>
     <li><span>In the row that contains the active node, choose <span class="menucascade"><b><span class="uicontrol"><span><strong>More</strong></span></span></b> &gt; <b><span class="uicontrol"><span><strong>Add Internal Communication Network Plane</strong></span></span></b></span>.</span></li>
     <li><span>In the displayed dialog box, enter the name of the internal communication network plane. You can reuse the backup network plane or create an internal communication network plane on DeviceManager.</span><p></p>
      <ul>
       <li>To query the backup network plane name when the backup network plane is reused, perform the following steps:
        <ol type="a">
         <li>On the <span class="uicontrol"><b><span><strong>Backup Cluster</strong></span></b></span> page, click the name of the active node.</li>
         <li>In the window that is displayed on the right, click <span class="uicontrol"><b>Open the device management platform</b></span> to go to the DeviceManager page.</li>
         <li>Choose <strong><span>System</span></strong> &gt; <strong>Container Service</strong> &gt; <strong>Network Planes</strong> to view the network plane name.</li>
        </ol></li>
       <li>Create an internal communication network plane on DeviceManager. For details about how to create an internal communication network plane, see "Adding an Internal Communication Network" in the <em>Administrator Guide</em>.</li>
      </ul> <p></p></li>
     <li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li>
     <li><span>In the <span class="uicontrol"><b><span><strong>Danger</strong></span></b></span> dialog box that is displayed, confirm the information, select <span class="uicontrol"><b><span><strong>I have read and understand the consequences associated with performing this operation.</strong></span></b></span>, and click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span><p></p><p><span><img src="en-us_image_0000001792343238.png"></span></p> <p></p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
       <div class="notebody">
        <p>To modify or delete an added internal communication network plane, choose <span class="menucascade"><b><span class="uicontrol"><span><strong>More</strong></span></span></b> &gt; <b><span class="uicontrol"><span><strong>Modify Internal Communication Network Plane</strong></span></span></b></span> or <span class="menucascade"><b><span class="uicontrol"><span><strong>More</strong></span></span></b> &gt; <b><span class="uicontrol"><span><strong>Delete Internal Communication Network Plane</strong></span></span></b></span> in the row that contains the active node. After a member node is added subsequently, the internal communication network plane cannot be modified or deleted.</p>
       </div>
      </div> <p></p></li>
    </ol>
   </div>
  </div>
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   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="HA00015.html">Adding an Internal Communication Network Plane for the Active Node</a>
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